31554668

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 61152000

約数和(自身を除く): 29597332

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 103, 116, 139, 206, 278, 412, 551, 556, 1102, 1957, 2204, 2641, 2987, 3914, 4031, 5282, 5974, 7828, 8062, 10564, 11948, 14317, 16124, 28634, 56753, 57268, 76589, 113506, 153178, 227012, 272023, 306356, 415193, 544046, 830386, 1088092, 1660772, 7888667, 15777334, 31554668]

約数ペア:

[(1, 31554668), (2, 15777334), (4, 7888667), (19, 1660772), (29, 1088092), (38, 830386), (58, 544046), (76, 415193), (103, 306356), (116, 272023), (139, 227012), (206, 153178), (278, 113506), (412, 76589), (551, 57268), (556, 56753), (1102, 28634), (1957, 16124), (2204, 14317), (2641, 11948), (2987, 10564), (3914, 8062), (4031, 7828), (5282, 5974)]